These are Economy extra-strength adhesive glue sticks. Hot melt glue sticks work in Hot Melt glue guns. Economy sticks are a higher viscosity and longer open time stick. Adhesive Specifications Hot Melt Super Bond hot melt adhesive to be applied in high temperature glue guns. Bonds to porous and non porous material.

Specifications
Softening Point: 178°F. (81°C.)
Working Time: 70 seconds
Viscosity / Centipoises: 9,500 @ 380°F. (193°C.)
Color: Clear
Shape: Round
Size: 200 x 11mm(Height x Diameter)